Familial association | Lifetime risk |
---|---|
Source: Keighley, 2003.324 | |
More than two first degree relatives affected | 1:3 |
Two first degree relatives affected | 1:6 |
One first degree relative aged <45 years affected | 1:10 |
One first degree and one second degree relative affected | 1:12 |
One first degree relative aged >45 years affected | 1:17 |
General population | 1:50 |